1. "Hatake Kakashi:  During a pursuit by Kinkaku and Ginkaku when Konoha and Kumogakure formed an alliance, the Second Hokage entrusted Kakashi as the new Hokage and remained behind to hold off the pursuers.

2. "Orochimaru: Master of Forbidden Jutsu" In Konoha, Orochimaru is considered the second "Master of Forbidden Jutsu" after the Second Hokage. 

3. "Minato Namikaze: Mastering the Flying Thunder God Technique" The Second Hokage created the S-rank space-time ninjutsu, the Flying Thunder God Technique. 

4. "Uchiha Kagami: Overcoming Family Constraints" Despite the Second Hokage's bias and hostility towards the Uchiha clan, he regarded Uchiha Kagami highly.

5. "Hashirama Senju:  Hashirama's remarkable achievements in the ninja world as the "God of Shinobi" are highly regarded by the Second Hokage.